you may see law enforcement pass me by as they have been all night. the very latest, three people are dead, including that eight-year-old boy who has been identified from a dorchester, boston suburb, identified as martin richard, among the dead. his mother apparently and his sister were among the 140 now injured with a multitude of injuries. take a look behind me. we're on boylston street, five blocks away from that blast site. the impact literally blasted runners off of their feet as they were crossing the finish line. to give you an idea of the magnitude, hospitals were dealing with, they usually have one or two trauma surgeons working at a time. last night, one of the hospitals had 25 to deal with the multiple injuries. one of those doctors told me the majority of the injuries, shrapnel type injuries, ear drums blown out, and a multiple amputations. >> we're seeing a lot of shrapnel type injuries, many of those involve predominantly the lower extremities, but shrapnel injuries can affect the entire body. there is a lot of small metal debris. some p